AFOS product CLISTL
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CDUS43 KLSX 110726
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO                                 
226 AM CDT FRI AUG 11 2017


................................... 

...THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 10 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         91    256 PM 105    1934  89      2       94       
  MINIMUM         70   1243 AM  54    1972  70      0       76       
  AVERAGE         81                        79      2       85      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00          2.58 1878   0.10  -0.10     0.00    
  MONTH TO DATE    0.10                      1.04  -0.94     1.60    
  SINCE JUN 1      4.20                      9.43  -5.23    11.26    
  SINCE JAN 1     27.10                     25.80   1.30    24.31    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0           0.0  2015   0.0    0.0      0.0     
  MONTH TO DATE    0.0                       0.0    0.0      0.0     
  SINCE JUN 1      0.0                       0.0    0.0      0.0     
  SINCE JUL 1      0.0                       0.0    0.0      0.0     
  SNOW DEPTH       0                                                 
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                         0      0        0       
  MONTH TO DATE    0                         0      0        0       
  SINCE JUN 1      0                         5     -5        0       
  SINCE JUL 1      0                         0      0        0       
                                                                     
 COOLING                                                             
  YESTERDAY       16                        14      2       20       
  MONTH TO DATE  106                       148    -42      165       
  SINCE JUN 1   1118                       949    169     1182       
  SINCE JAN 1   1370                      1123    247     1376       
..................................................................


WIND (MPH)                                                           
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    SW (230)      
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    SW (220)      
  AVERAGE WIND SPEED     6.9                                         

                                                                     
SKY COVER                                                            
  AVERAGE SKY COVER 0.7                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    74          1100 PM                                     
 LOWEST     44           300 PM                                     
 AVERAGE    59                                                       

..........................................................

                                                                     
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   89       104      1881                    
 MINIMUM TEMPERATURE (F)   70        56      1967                    
                                             1930                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 11 2017........SUNRISE   612 AM CDT   SUNSET   801 PM CDT   
AUGUST 12 2017........SUNRISE   613 AM CDT   SUNSET   759 PM CDT   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




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